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Best Time for Marfa, Terlingua & Big Bend National Park
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Sweet spot: January, February, March. Computed from NASA POWER climate normals across the route's overnight towns, balancing temperature, rainfall and daylight.
💡 Good to know
- The supported desert season. Big Bend still requires current road, trail, weather and facility checks; river trips are separate permit- and conditions-led products rather than a default promise.
- This multi-area road and hiking loop is not generated from May through September. NPS warns that most of the park exceeds 38°C by late morning in this period, while summer storms add flash-flood risk.
| Month | Low | High | Rain | Daylight | |
|---|---|---|---|---|---|
| January | 0.9°C | 16.0°C | 14 mm | 10.3 h | |
| February | 3.0°C | 19.4°C | 9 mm | 11.0 h | |
| March | 7.3°C | 24.1°C | 12 mm | 11.8 h | |
| April | 11.6°C | 29.0°C | 13 mm | 12.7 h | |
| May | 16.1°C | 32.9°C | 30 mm | 13.5 h | |
| June | 20.5°C | 35.7°C | 41 mm | 13.9 h | |
| July | 21.0°C | 34.2°C | 53 mm | 13.7 h | |
| August | 20.8°C | 33.8°C | 50 mm | 13.1 h | |
| September | 17.4°C | 30.5°C | 49 mm | 12.2 h | |
| October | 12.1°C | 27.2°C | 29 mm | 11.3 h | |
| November | 5.7°C | 20.9°C | 16 mm | 10.5 h | |
| December | 1.3°C | 16.4°C | 12 mm | 10.1 h |